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Metatests for basic Asan and Msan features

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Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2023-11-02 19:42:13 +01:00
parent 6effdff76b
commit 970584f32f
1 changed files with 48 additions and 0 deletions
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48
programs/test/metatest.c
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@ -51,6 +51,50 @@ void null_pointer_call(const char *name)
}
/****************************************************************/
/* Sanitizers */
/****************************************************************/
void read_after_free(const char *name)
{
(void) name;
volatile char *p = mbedtls_calloc(1, 1);
*p = 'a';
mbedtls_free((void *) p);
mbedtls_printf("%u\n", (unsigned) *p);
}
void double_free(const char *name)
{
(void) name;
volatile char *p = mbedtls_calloc(1, 1);
*p = 'a';
mbedtls_free((void *) p);
mbedtls_free((void *) p);
}
void read_uninitialized_stack(const char *name)
{
(void) name;
volatile char buf[1];
static int false_but_the_compiler_does_not_know = 0;
if (false_but_the_compiler_does_not_know) {
buf[0] = '!';
}
if (*buf != 0) {
mbedtls_printf("%u\n", (unsigned) *buf);
}
}
void memory_leak(const char *name)
{
(void) name;
volatile char *p = mbedtls_calloc(1, 1);
/* Hint to the compiler that calloc must not be optimized away. */
(void) *p;
}
/****************************************************************/
/* Command line entry point */
/****************************************************************/
@ -65,6 +109,10 @@ metatest_t metatests[] = {
{ "test_fail", "any", meta_test_fail },
{ "null_dereference", "any", null_pointer_dereference },
{ "null_call", "any", null_pointer_call },
{ "read_after_free", "asan", read_after_free },
{ "double_free", "asan", double_free },
{ "read_uninitialized_stack", "msan", read_uninitialized_stack },
{ "memory_leak", "asan", memory_leak },
{ NULL, NULL, NULL }
};